year ago, protests over police treatment of African Americans drew hundreds to the streets of Los Angeles, where marchers blocked traffic and made their way onto the city’s busy freeways.

Today, the big crowds have faded. But a cadre of activists under the Black Lives Matter banner have kept the movement alive in the city with smaller but decidedly aggressive protests targeting top L.A. police officials and the mayor.

The disruptive tactics pose a political challenge for city leaders who are still struggling to effectively engage the activists about issues that have prompted heated debate across the country.

Read more in the Los Angeles Times.